Real-Time Simulation of a Luenberger Observer Applied to DC-DC Converters

Cervantes, M. Heras; Téllez-Anguiano, Adriana del Carmen; Anzurez-Marin, J.; Juarez, Elisa Espinosa; Ramirez, Maria del Carmen Garcia; Gomez, J. Correa

doi:10.1109/tla.2018.8358682

Cited by 8 publications

(3 citation statements)

References 17 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The sentence discusses how a certain feature the inductive current to accurately follow the reference current and input voltage phase.This results in enhancing the power factor and minimizing toal harmonic distortion. By successfully monitoring the precise amplitude of the specified reference current and the corresponding phase angle of the input voltage, the inductor current can effectively correspond to them, leading to an improvement in the power factor and a reduction in total harmonic distortion.When the cost function reaches its minimum, indicating that the estimated value perfectly matches the reference value, the duty cycle can be determined by utilizing Equation (12).The system control diagram is shown in Figure 4.…”

Section: Observer Designmentioning

confidence: 99%

“…In this article, an algorithm is proposed that includes the addition of a Luenberger observer to estimate the inductor current without the need for additional sensors for measurement. A method was presented in [12][13] that applies the Luenberger observer to a DC converter, utilizing voltage and current parameters within the DC converter to detect potential faults in the converter. This approach serves as a means to identify and diagnose any malfunctions or issues within the DC converter, ensuring its reliability and proper operation.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Control strategy for power factor correction circuits based on model predictive control

Wang,

Xu,

Song

et al. 2024

J. Phys.: Conf. Ser.

View full text Add to dashboard Cite

Power factor correction circuits are being used more extensively, and with that, the requirements and standards have become increasingly stringent. To improve the power factor of the circuit, thereby improving its operational efficiency and mitigating the load effects in boost power factor correction circuits, reducing Total Harmonics Distortion is crucial for improving the quality of the current. An improvement upon the conventional dual-loop PID control algorithm has been proposed. It involves integrating Model Predictive Control into the current loop design and incorporates a Luenberger observer. Model Predictive Control methods can be applied for the control of multivariable systems, especially in complex multivariable systems, as they exhibit strong robustness. Finally, by performing both simulation and experimental validations and analyzing the data results, it is shown that under full load conditions, the power factor λ is 0.968, the efficiency η is 91.11%, the voltage total harmonic distortion Uthd is 1.88%, and the current total harmonic distortion Ithd is 7.04%. These data results strongly confirm the performance of the control mechanism proposed in this paper.

show abstract

Section: Observer Designmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Control strategy for power factor correction circuits based on model predictive control

Wang,

Xu,

Song

et al. 2024

J. Phys.: Conf. Ser.

View full text Add to dashboard Cite

show abstract

“…In fact, many types of estimators and filters are widely used in many areas [22, 23] including the notable Kalman filter [24] and filter [25, 26]. Particularly, the classic Luenberger‐type observer has also been proved to be an efficient tool for state estimation [27, 28]. However, the classical Luenberger observers might lead to negative estimations, so they are not adequate for estimating states that are inherently non‐negative.…”

Section: Introductionmentioning

confidence: 99%